CN109829534A - Evaluation method, the device and system of opencast coal mine dump stability of community - Google Patents
Evaluation method, the device and system of opencast coal mine dump stability of community Download PDFInfo
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- 238000011156 evaluation Methods 0.000 title claims abstract description 63
- 239000003245 coal Substances 0.000 title claims abstract description 37
- 239000002689 soil Substances 0.000 claims abstract description 107
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 104
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 52
- 239000002028 Biomass Substances 0.000 claims abstract description 47
- 238000000034 method Methods 0.000 claims abstract description 35
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 28
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 28
- 239000011574 phosphorus Substances 0.000 claims abstract description 28
- 230000008569 process Effects 0.000 claims abstract description 18
- 239000011159 matrix material Substances 0.000 claims description 53
- 230000006870 function Effects 0.000 claims description 37
- 238000013278 delphi method Methods 0.000 claims description 9
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 3
- 230000004044 response Effects 0.000 abstract description 5
- 241000894007 species Species 0.000 description 18
- 238000005070 sampling Methods 0.000 description 7
- 238000005259 measurement Methods 0.000 description 5
- 238000011084 recovery Methods 0.000 description 5
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 4
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 4
- 238000000265 homogenisation Methods 0.000 description 4
- 239000011591 potassium Substances 0.000 description 4
- 229910052700 potassium Inorganic materials 0.000 description 4
- 238000001035 drying Methods 0.000 description 3
- USFZMSVCRYTOJT-UHFFFAOYSA-N Ammonium acetate Chemical compound N.CC(O)=O USFZMSVCRYTOJT-UHFFFAOYSA-N 0.000 description 2
- 239000005695 Ammonium acetate Substances 0.000 description 2
- 241000184339 Nemophila maculata Species 0.000 description 2
- WYWFMUBFNXLFJK-UHFFFAOYSA-N [Mo].[Sb] Chemical compound [Mo].[Sb] WYWFMUBFNXLFJK-UHFFFAOYSA-N 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 229940043376 ammonium acetate Drugs 0.000 description 2
- 235000019257 ammonium acetate Nutrition 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000004737 colorimetric analysis Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 2
- 235000017557 sodium bicarbonate Nutrition 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 238000007605 air drying Methods 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
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Abstract
The present invention proposes evaluation method, the device and system of a kind of opencast coal mine dump stability of community, evaluation method includes: to establish the evaluation level of opencast coal mine dump stability of community, evaluating level includes: destination layer, factor layer and indicator layer, destination layer is using stability of community as evaluation goal, factor layer includes structure of community, community function and community environment, and the index that indicator layer includes has: community diversity index, cover degree, height, species number, ground biomass, underground biomass, soil moisture content, total soil nitrogen, soil available phosphorus and soil available nitrogen；Using the weight of each index in analytic hierarchy process (AHP) parameter layer, stability of community appraisement system is constructed；Index in indicator layer is normalized, stability of community index is calculated by appraisement system and determines stability of community grade.The present invention solve ecologic stability evaluation method in the prior art can not accurate response group structure feature and functional character the technical issues of.
Description
Technical field
The present invention relates to coal mine field more particularly to a kind of evaluation methods of opencast coal mine dump stability of community, dress
It sets and system.
Background technique
Stability of community be phytobiocoenose within the certain time stage, steady stability or dynamic are kept in certain bounds
Stable state is the comprehensive characteristics embodiment of structure of plant community and function, has reacted phytobiocoenose and sent out by external condition
Changing or there are the resistivities or recovery capability when artificial disturbance.
In degraded habitat carry out ecological recovery work when, often focus on individual event recovery technology research and development, as water and soil conservation,
Land reclamation, revegetation, Soil Reconstruction etc. lack system thinking, and recovery habitat self-maintenance capability is poor, nourishment's cost
It is high.Therefore, stability of community evaluation is carried out to Ecological Restoration Works, utilisation system thought couples each single technology and excellent
Change, forms complete technical system, directive significance is all had to the following ecological recovery scientific research, technical research, engineering mimoir.
Currently, ecologic stability evaluation method mostly uses in kind-interspecies relation theory, succession of community theory, top group
Fall theory, population self-control theory etc., can not accurate response group structure feature and functional character.
Summary of the invention
Based on problem above, the present invention propose the evaluation method of opencast coal mine dump stability of community a kind of, device and
System, solve ecologic stability evaluation method in the prior art can not accurate response group structure feature and functional character
The technical issues of.
The present invention proposes a kind of evaluation method of opencast coal mine dump stability of community, comprising:
The evaluation level of opencast coal mine dump stability of community is established, evaluation level includes: destination layer, factor layer and refers to
Layer is marked, for destination layer using stability of community as evaluation goal, factor layer includes structure of community, community function and community environment, index
The index that layer includes has: community diversity index, cover degree, height, species number, ground biomass, underground biomass, soil water-containing
Rate, total soil nitrogen, soil available phosphorus and soil available nitrogen；
Using the weight of each index in analytic hierarchy process (AHP) parameter layer, stability of community appraisement system is constructed；
Index in indicator layer is normalized, stability of community index is calculated by appraisement system；
Stability of community grade is determined using difference percentage staging to stability of community index.
In addition, destination layer corresponds to structure of community, community function and community environment；
Structure of community corresponds to community diversity index, cover degree, height, species number；
Community function corresponds to ground biomass and underground biomass；
Community environment corresponds to soil moisture content, total soil nitrogen, soil available phosphorus and soil available nitrogen.
In addition, using the weight of each index in analytic hierarchy process (AHP) parameter layer include: development of judgment matrix and according to
Two steps of weight of judgment matrix parameter.
In addition, development of judgment matrix includes:
Structure of community, community function and community environment are constructed for the judgment matrix of destination layer, destination layer is denoted as and judges square
Battle array；
Indicator layer community diversity index, cover degree, height, species number are constructed to the judgment matrix of structure of community, is denoted as group
Fall structure decision matrix；
Ground biomass, underground biomass are constructed to the judgment matrix of community function, is denoted as community function judgment matrix；
Construct the judgment matrix of soil moisture content, total soil nitrogen, soil available phosphorus, soil available nitrogen to community environment, note
For community environment judgment matrix.
In addition, including: according to the weight of judgment matrix parameter
It is combined using Delphi method with proportion quotiety method, structure of community, group's function is determined according to destination layer judgment matrix
It can be with the weight of community environment；
It is combined using Delphi method with proportion quotiety method, according to structure of community judgment matrix, community function judgment matrix
With community environment judgment matrix determine community diversity index, cover degree, height, species number, ground biomass, underground biomass,
Soil moisture content, total soil nitrogen, the weight of soil available phosphorus and soil available nitrogen.
The present invention also proposes a kind of evaluating apparatus of opencast coal mine dump stability of community, comprising:
Hierarchy module is established, for establishing the evaluation level of opencast coal mine dump stability of community, evaluation level includes:
Destination layer, factor layer and indicator layer, for destination layer using stability of community as evaluation goal, factor layer includes structure of community, group's function
Can and community environment, the index that indicator layer includes have: community diversity index, cover degree, height, species number, ground biomass,
Lower biomass, soil moisture content, total soil nitrogen, soil available phosphorus and soil available nitrogen；
Module is constructed, for the weight using each index in analytic hierarchy process (AHP) parameter layer, constructs stability of community
Appraisement system；
Gauge index module calculates group by appraisement system for the index in indicator layer to be normalized
Stability index；
Grade module is determined, for determining stability of community etc. using difference percentage staging to stability of community index
Grade.
The present invention also proposes that a kind of storage medium, the storage medium store computer instruction, described in computer execution
When computer instruction, for executing the evaluation method of opencast coal mine dump stability of community described in any of the above embodiments.
The present invention also proposes a kind of evaluation system of opencast coal mine dump stability of community, including at least one processing
Device；And the memory being connect at least one described processor communication；Wherein, be stored with can be by described one for the memory
The instruction that a processor executes, described instruction is executed by least one described processor, so that at least one described processor energy
It is enough:
The evaluation level of opencast coal mine dump stability of community is established, evaluation level includes: destination layer, factor layer and refers to
Layer is marked, for destination layer using stability of community as evaluation goal, factor layer includes structure of community, community function and community environment, index
The index that layer includes has: community diversity index, cover degree, height, species number, ground biomass, underground biomass, soil water-containing
Rate, total soil nitrogen, soil available phosphorus and soil available nitrogen；
Using the weight of each index in analytic hierarchy process (AHP) parameter layer, stability of community appraisement system is constructed；
Index in indicator layer is normalized, stability of community index is calculated by appraisement system；
Stability of community grade is determined using difference percentage staging to stability of community index.
By using above-mentioned technical proposal, have the following beneficial effects:
The present invention solve ecologic stability evaluation method in the prior art can not accurate response group structure feature with
And the technical issues of functional character, the present invention, can be more by introducing community environment as one of stability of community evaluation index
For accurate, scientific indication stability of community.
Detailed description of the invention
Fig. 1 is the process of the evaluation method of opencast coal mine dump stability of community provided by one embodiment of the present invention
Figure；
Fig. 2 is indicator layer in the evaluation method of opencast coal mine dump stability of community provided by one embodiment of the present invention
Schematic diagram；
Fig. 3 is the block diagram of the evaluation method of opencast coal mine dump stability of community provided by one embodiment of the present invention.
Specific embodiment
Below in conjunction with specific embodiment and attached drawing, the present invention is further described in detail.It is only intended to explain in detail
Specific embodiments of the present invention are stated, any restrictions are not generated to the present invention, protection scope of the present invention is with claims
Subject to.
Referring to Fig.1, the present invention proposes a kind of evaluation method of opencast coal mine dump stability of community, comprising:
Step S001, establishes the evaluation level of opencast coal mine dump stability of community, evaluation level include: destination layer A,
Using stability of community a1 as evaluation goal, factor layer B includes structure of community b1, group's function by factor layer B and indicator layer C, destination layer A
Can b2 and community environment b3, the index that indicator layer C includes has: community diversity index c1, cover degree c2, height c3, species number c4,
Ground biomass c5, underground biomass c6, soil moisture content c7, total soil nitrogen c8, soil available phosphorus c9 and soil available nitrogen
c10；
Step S002 constructs stability of community evaluation using the weight of each index in analytic hierarchy process (AHP) parameter layer
System；
The index in indicator layer is normalized in step S003, calculates stability of community by appraisement system and refers to
Number；
Step S004 determines stability of community grade using difference percentage staging to stability of community index.
Due to stability of community be it is existing relative to external condition or artificial disturbance, using community environment as group
One of estimation of stability index is fallen, indication stability of community that can be more accurate, scientific.
It initially sets up the evaluation level of opencast coal mine dump stability of community, respectively destination layer A, factor layer B and refers to
Layer C is marked, by stability of community a1, structure of community b1, community function b2, community environment b3, community diversity index c1, cover degree
C2, height c3, species number c4, ground biomass c5, underground biomass c6, soil moisture content c7, total soil nitrogen c8, soil are effective
Phosphorus c9 and soil available nitrogen c10 is grouped into different evaluation levels respectively.
It constructs stability of community using the weight of each index in analytic hierarchy process (AHP) parameter layer referring to Fig. 2 and evaluates body
In system, structure of community b1, community function b2, community environment b3 is made to be under the jurisdiction of destination layer A, makes community diversity index c1, cover degree
C2, height c3 and species number c4 are under the jurisdiction of structure of community b1, and ground biomass c5 and underground biomass c6 is made to be under the jurisdiction of group's function
Energy b2, makes soil moisture content c7, total soil nitrogen c8, soil available phosphorus c9 and soil available nitrogen c10 be under the jurisdiction of community environment b3.
During Weight of Coefficient through Analytic Hierarchy Process, structure of community b1, community function b2 and group in building factor layer B first
Environment b3 indicates the judgment matrix of destination layer A are as follows:
During Weight of Coefficient through Analytic Hierarchy Process, indicator layer community diversity index c1, cover degree c2, height c3, object are constructed
Kind number c4 indicates the judgment matrix of structure of community b1 are as follows:
According to above scheme building ground biomass c5, underground biomass c6 to the judgment matrix of community function b2；And
Soil moisture content c7, total soil nitrogen c8, soil available phosphorus c9, soil available nitrogen c10 are to the judgment matrix of community environment b3.
Combined using Delphi method with proportion quotiety method, determine in its factor layer B structure of community b1, community function b2 and
The weight of community environment b3；
It is combined using Delphi method with proportion quotiety method, determines community diversity index c1, cover degree in its indicator layer C
C2, height c3, species number c4, ground biomass c5, underground biomass c6, soil moisture content c7, total soil nitrogen c8, soil are effective
The weight of phosphorus c9, soil available nitrogen c10.Optionally, consistency check is carried out to each judgment matrix, eliminates artificial subjectivity；
Index in indicator layer is normalized, calculating stability of community index by appraisement system includes:
The measured value r of all indexs in indicator layer is normalized, measured data is made to be respectively positioned on the section 0-1
It is interior, processing method are as follows:
Wherein r is numerical value after homogenization processing, and ri is i-th of measured value, rminIt is minimum for measured value in same type data
Value, rmaxFor measured value maximum value in same type data.
The measurement method of all indexs of indicator layer are as follows:
Community diversity index c1 is calculated using aromatic wiener exponential formula:
c1=H=- ∑ (Pi)(log2Pi)
Cover degree c2, height c3, species number c4 measured value be based on Community Survey method, be respectively set three equidistant 5
×5m211 × 1m is respectively set on four vertex of each sample prescription and diagonal line intersection point using five-spot in sample prescription2Sample
Side carries out Community Survey to each subquadrat, obtains measured value.
Ground biomass c5, underground biomass c6 measured value be equally based on Community Survey method, selected in above-mentioned sample prescription
Take type strain, be subsequently placed in continuous drying 8 hours in 80 DEG C of baking oven, after weigh the weight of its aerial part and under ground portion respectively
Amount.
The actual measurement value-acquiring method of soil moisture content c7 are as follows: 5 sampling points are established according to " S " type route in sample prescription, in 0-
20cm soil horizon is taken soil sample and is mixed, and places in aluminium box, is subsequently placed in continuous drying in 80 DEG C of baking oven and weighs after 8 hours.
The actual measurement value-acquiring method of total soil nitrogen c8, soil available phosphorus c9, soil available nitrogen c10 are as follows: in sample prescription according to
" S " type route establishes 5 sampling points, takes soil sample in 0-20cm soil horizon and mixes, and full nitrogen is measured using elemental analyser method,
Available phosphorus is extracted using sodium bicarbonate extraction, molybdenum antimony resistance colorimetric method measurement, available potassium using ammonium acetate, flare photometer is surveyed
It is fixed.
Stability of community grade, stability of community grade are determined using difference percentage staging to stability of community index
It is divided into extremely stable, stable, medium, unstable and extremely unstable.
The present embodiment solve ecologic stability evaluation method in the prior art can not accurate response group structure feature
And the technical issues of functional character, the present embodiment by introducing community environment as one of stability of community evaluation index,
More accurate, the scientific indication stability of community of energy.
In one of them embodiment, destination layer A corresponds to structure of community b1, community function b2 and community environment b3；
Structure of community b1 corresponds to community diversity index c1, cover degree c2, height c3, species number c4；
Community function b2 corresponds to ground biomass c5 and underground biomass c6；
Community environment b3 corresponds to soil moisture content c7, total soil nitrogen c8, soil available phosphorus c9 and soil available nitrogen c10.It is logical
It crosses and introduces each index, keep the evaluation to stability of community more accurate.
In one of them embodiment, the weight using each index in analytic hierarchy process (AHP) parameter layer includes: structure
Build judgment matrix and two steps of weight according to judgment matrix parameter.By development of judgment matrix and according to judgment matrix
Two steps of weight of parameter obtain stability of community index.
In one of them embodiment, development of judgment matrix includes:
Structure of community b1, community function b2 and community environment b3 are constructed for the judgment matrix of destination layer A, is denoted as destination layer
Judgment matrix；
Indicator layer community diversity index c1, cover degree c2, height c3, species number c4 are constructed to the judgement square of structure of community b1
Battle array, is denoted as structure of community judgment matrix；
Ground biomass c5, underground biomass c6 are constructed to the judgment matrix of community function b2, is denoted as community function judgement
Matrix；
Soil moisture content c7, total soil nitrogen c8, soil available phosphorus c9, soil available nitrogen c10 are constructed to community environment b3's
Judgment matrix is denoted as community environment judgment matrix.
In one of them embodiment, the weight according to judgment matrix parameter includes:
It is combined using Delphi method with proportion quotiety method, structure of community b1, group is determined according to destination layer judgment matrix
The weight of function b2 and community environment b3；
It is combined using Delphi method with proportion quotiety method, according to structure of community judgment matrix, community function judgment matrix
With community environment judgment matrix determine community diversity index c1, cover degree c2, height c3, species number c4, ground biomass c5,
The weight of lower biomass c6, soil moisture content c7, total soil nitrogen c8, soil available phosphorus c9 and soil available nitrogen c10.
Selection Inner Mongolia Autonomous Region open coal mine is objective for implementation, is sampled and tests:
Sampling point is set in the platform of each ladder in refuse dump, side slope, three 5 equidistant × 5m are respectively set in each sampling point2Sample
Side, is respectively set 11 × 1m on four vertex of each sample prescription and diagonal line intersection point using five-spot2Subquadrat, to every
A subquadrat carries out Community Survey；5 sampling points are established according to " S " type route in sample prescription, take soil sample in 0-20cm soil horizon
And mix, part is placed in aluminium box in case measuring of moisture content；Part place plastic packaging bag in, after fetching by natural air drying, crushing,
It is ground up, sieved, labeling is stand-by.
Soil moisture content is using measurement of weighing after drying 8 hours.
Full nitrogen is measured using elemental analyser method.
Available phosphorus is using sodium bicarbonate extraction, molybdenum antimony resistance colorimetric method measurement.
Available potassium is extracted using ammonium acetate, flare photometer measures.
Table 1 is various kinds point group diversity indices, cover degree, height, species number, above and below ground biomass measured value.
Table 1
Table 2 is each sampling point soil moisture content, full nitrogen, available phosphorus, available potassium measured value.
Table 2
The measured value r of indexs all for indicator layer, is normalized, and is respectively positioned on measured data in the section 0-1,
Processing method are as follows:
Such as north refuse dump top platform diversity indices measured value ri=0.33 (the 2nd row of table 1, the 2nd column), diversity
Index maximum value is the 5th step Schattenseite of southern refuse dump, rmax=0.66 (eighth row of table 1, the 2nd column), diversity indices is minimum
Value is along side the 4th step tailo of refuse dump, rmin=0.17 (the 12nd row of table 1, the 2nd column).After homogenization processing, northern casting
Field top platform diversity indices uniforms numerical value
Analogize accordingly, can obtain:
Table 3 is various kinds point group diversity indices, cover degree, height, species number, above and below ground biomass homogenization numerical value.
Table 3
Table 4 is each sampling point soil moisture content, full nitrogen, available phosphorus, available potassium homogenization numerical value.
Table 4
Based on analytic hierarchy process (AHP) and Delphi method, calculating acquires each index weights.
Table 5 is factor layer, indicator layer weight in stability of community appraisement system.
Table 5
It after measured data is normalized, is calculated using stability of community appraisement system, show that group is steady
Overall qualitative index:
A is stability of community index, BjFor the numerical value of jth item B in factor layer B, CiFor in destination layer C i-th C it is uniform
Change numerical value.It is shown in Table 6:
Table 6 is various kinds point group stability index.
Table 6
Stability of community grade is determined according to difference percentage staging, is divided into extremely stable, stable, medium, unstable, pole
It is unstable.7 are shown in Table, table 7 is that stability of community grade determines method.
Table 7
By upper, various kinds point stability of community grade can be obtained, be shown in Table 8, table 8 is various kinds point stability of community grade.
Table 8
Referring to Fig. 3, the present invention also proposes a kind of evaluating apparatus of opencast coal mine dump stability of community, comprising:
Hierarchy module 10 is established, for establishing the evaluation level of opencast coal mine dump stability of community, evaluates level packet
It includes: destination layer A, factor layer B and indicator layer C；
For destination layer A using stability of community a1 as evaluation goal, factor layer B includes structure of community b1, community function b2 and group
Environment b3 is fallen, the index that indicator layer C includes has: community diversity index c1, cover degree c2, height c3, species number c4, on the ground life
Object amount c5, underground biomass c6, soil moisture content c7, total soil nitrogen c8, soil available phosphorus c9 and soil available nitrogen c10；
Module 20 is constructed, for the weight using each index in analytic hierarchy process (AHP) parameter layer, building group stablizes
Property appraisement system；
Gauge index module 30 calculates group by appraisement system for the index in indicator layer to be normalized
Fall stability index；
Grade module 40 is determined, for determining stability of community using difference percentage staging to stability of community index
Grade.
The present invention also proposes that a kind of storage medium, the storage medium store computer instruction, described in computer execution
When computer instruction, for executing the evaluation method of opencast coal mine dump stability of community described in any of the above embodiments.
The present invention also proposes a kind of evaluation system of opencast coal mine dump stability of community, including at least one processing
Device；And the memory being connect at least one described processor communication；Wherein, be stored with can be by described one for the memory
The instruction that a processor executes, described instruction is executed by least one described processor, so that at least one described processor energy
It is enough:
Establish the evaluation level of opencast coal mine dump stability of community, evaluation level include: destination layer A, factor layer B and
Indicator layer C；
For destination layer A using stability of community a1 as evaluation goal, factor layer B includes structure of community b1, community function b2 and group
Environment b3 is fallen, the index that indicator layer C includes has: community diversity index c1, cover degree c2, height c3, species number c4, on the ground life
Object amount c5, underground biomass c6, soil moisture content c7, total soil nitrogen c8, soil available phosphorus c9 and soil available nitrogen c10；
Using the weight of each index in analytic hierarchy process (AHP) parameter layer, stability of community appraisement system is constructed；
Index in indicator layer is normalized, stability of community index is calculated by appraisement system；
Stability of community grade is determined using difference percentage staging to stability of community index.
Above-described is only the principle of the present invention and preferred embodiment.It should be pointed out that for the common skill of this field
For art personnel, on the basis of the principle of the invention, several other modifications can also be made, also should be regarded as protection model of the invention
It encloses.
Claims (8)
1. a kind of evaluation method of opencast coal mine dump stability of community characterized by comprising
The evaluation level of opencast coal mine dump stability of community is established, evaluation level includes: destination layer, factor layer and index
Layer, for destination layer using stability of community as evaluation goal, factor layer includes structure of community, community function and community environment, indicator layer
Including index have: community diversity index, cover degree, height, species number, ground biomass, underground biomass, soil water-containing
Rate, total soil nitrogen, soil available phosphorus and soil available nitrogen；
Using the weight of each index in analytic hierarchy process (AHP) parameter layer, stability of community appraisement system is constructed；
Index in indicator layer is normalized, stability of community index is calculated by appraisement system；
Stability of community grade is determined using difference percentage staging to stability of community index.
2. the evaluation method of opencast coal mine dump stability of community according to claim 1, which is characterized in that
Destination layer corresponds to structure of community, community function and community environment；
Structure of community corresponds to community diversity index, cover degree, height, species number；
Community function corresponds to ground biomass and underground biomass；
Community environment corresponds to soil moisture content, total soil nitrogen, soil available phosphorus and soil available nitrogen.
3. the evaluation method of opencast coal mine dump stability of community according to claim 1, which is characterized in that
Weight using each index in analytic hierarchy process (AHP) parameter layer includes: development of judgment matrix and according to judgment matrix meter
Calculate two steps of weight of index.
4. the evaluation method of opencast coal mine dump stability of community according to claim 3, which is characterized in that
Development of judgment matrix includes:
Structure of community, community function and community environment are constructed for the judgment matrix of destination layer, is denoted as destination layer judgment matrix；
Indicator layer community diversity index, cover degree, height, species number are constructed to the judgment matrix of structure of community, is denoted as group's knot
Structure judgment matrix；
Ground biomass, underground biomass are constructed to the judgment matrix of community function, is denoted as community function judgment matrix；
Soil moisture content, total soil nitrogen, soil available phosphorus, soil available nitrogen are constructed to the judgment matrix of community environment, is denoted as group
Fall environment judgment matrix.
5. the evaluation method of opencast coal mine dump stability of community according to claim 3, which is characterized in that
Weight according to judgment matrix parameter includes:
Combined using Delphi method with proportion quotiety method, according to destination layer judgment matrix determine structure of community, community function and
The weight of community environment；
It is combined using Delphi method with proportion quotiety method, according to structure of community judgment matrix, community function judgment matrix and group
It falls environment judgment matrix and determines community diversity index, cover degree, height, species number, ground biomass, underground biomass, soil
Moisture content, total soil nitrogen, the weight of soil available phosphorus and soil available nitrogen.
6. a kind of evaluating apparatus of opencast coal mine dump stability of community characterized by comprising
Hierarchy module is established, for establishing the evaluation level of opencast coal mine dump stability of community, evaluation level includes: target
Layer, factor layer and indicator layer, destination layer using stability of community as evaluation goal, factor layer include structure of community, community function and
Community environment, the index that indicator layer includes have: community diversity index, cover degree, height, species number, ground biomass, underground are raw
Object amount, soil moisture content, total soil nitrogen, soil available phosphorus and soil available nitrogen；
Module is constructed, for the weight using each index in analytic hierarchy process (AHP) parameter layer, building stability of community evaluation
System；
Gauge index module calculates group by appraisement system and stablizes for the index in indicator layer to be normalized
Sex index；
Grade module is determined, for determining stability of community grade using difference percentage staging to stability of community index.
7. a kind of storage medium, which is characterized in that the storage medium stores computer instruction, when computer executes the calculating
Evaluation side when machine instructs, for opencast coal mine dump stability of community described in any one of perform claim requirement 1 to 5
Method.
8. a kind of evaluation system of opencast coal mine dump stability of community, which is characterized in that including at least one processor；With
And the memory being connect at least one described processor communication；Wherein, be stored with can be by one processing for the memory
The instruction that device executes, described instruction executed by least one described processor so that at least one described processor can:
The evaluation level of opencast coal mine dump stability of community is established, evaluation level includes: destination layer, factor layer and index
Layer, for destination layer using stability of community as evaluation goal, factor layer includes structure of community, community function and community environment, indicator layer
Including index have: community diversity index, cover degree, height, species number, ground biomass, underground biomass, soil water-containing
Rate, total soil nitrogen, soil available phosphorus and soil available nitrogen；
Using the weight of each index in analytic hierarchy process (AHP) parameter layer, stability of community appraisement system is constructed；
Index in indicator layer is normalized, stability of community index is calculated by appraisement system；
Stability of community grade is determined using difference percentage staging to stability of community index.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110226565A (en) * | 2019-07-12 | 2019-09-13 | 西南大学 | A kind of vegetation protection method put in a suitable place to breed based on live pig |
| CN113408950A (en) * | 2021-07-16 | 2021-09-17 | 国家能源投资集团有限责任公司 | Method for measuring restoring force of ecological system in strip mine reclamation area |
| CN114720660A (en) * | 2022-03-31 | 2022-07-08 | 神华北电胜利能源有限公司 | Method for researching soil structure and function recovery rule in open coal mine refuse dump |
| CN114943493A (en) * | 2022-07-25 | 2022-08-26 | 广州地量行城乡规划有限公司 | System and method for monitoring and evaluating farmland quality and the like |
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| CN102067770A (en) * | 2009-11-20 | 2011-05-25 | 复旦大学 | Greening method for increasing plant diversity by simulating natural plant community |
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| CN102067770A (en) * | 2009-11-20 | 2011-05-25 | 复旦大学 | Greening method for increasing plant diversity by simulating natural plant community |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110226565A (en) * | 2019-07-12 | 2019-09-13 | 西南大学 | A kind of vegetation protection method put in a suitable place to breed based on live pig |
| CN110226565B (en) * | 2019-07-12 | 2021-10-29 | 西南大学 | Vegetation protection method based on live pig stocking |
| CN113408950A (en) * | 2021-07-16 | 2021-09-17 | 国家能源投资集团有限责任公司 | Method for measuring restoring force of ecological system in strip mine reclamation area |
| CN114720660A (en) * | 2022-03-31 | 2022-07-08 | 神华北电胜利能源有限公司 | Method for researching soil structure and function recovery rule in open coal mine refuse dump |
| CN114943493A (en) * | 2022-07-25 | 2022-08-26 | 广州地量行城乡规划有限公司 | System and method for monitoring and evaluating farmland quality and the like |
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